1. DVCS-2 Assembly & Installation Charles Hyde DVCS Collaboration Meeting 18 December 2009 Clermont-Ferrand

2. Mechanical Design www.jlab.org/~hyde/LPC/Support_rails_DVCS2.pdf www.jlab.org/~hyde/LPC/Support_rails_DVCS2.pdf www.jlab.org/~hyde/dvcs2010/Plateforme.pdf Support Stand and Cart (Nov 2009), – Rail/Bearing modification at JLab – Assembly Jan 2010? – Cable tray and legs?? Calorimeter Frame – Fabricated at LPC PMT / Crystal mounting – pieces at LPC – Soldering required 100 pieces. Black Box (January 2010) CH shielding LED frame Blue Light frame Cable Tray specification

3. Mechanical Assembly Dec 2009 – Feb 2010 JLab Dec 2009 – Bearing/Rail modification Jan 2010, – Fabricate Stand, Cart – Purchase clean room supplies – Purchase Tedlar, Tyvek, Optical Grease – Purchase Oscilloscope? HV? Feb 2010, – Install DVCS stand in Test Lab Support piece? Install Cart on stand empty patch panel – Assemble and wrap crystals Clean room or Test Lab tent. – Mount Calorimeter frame and Cable Tray LPC Dec 2009 – IGUS cable Tray specs – Prototype crystal solder – One ARS card to JLab Jan 2010 – Mechanical supports for Translation cards – Solder 100 crystal assemblies 50+ hours? – Ship Calo support to JLab – Ship PMs & bases to JLab keep a dozen at LPC? – Purchase Cable Tray pieces – Study of Logic Unit, Clock-FanOut Feb 2010 – LED Controller design – Ship first translation cards – Mission Guy SAVINEL?

4. Mechanical Assembly March 2010 – May 2010 JLab March 2010 – Assemble Crystals in Calo – Cosmic Ray Paddles – Test HV and Signal Cables – HV, Signal cables in cable tray to patch panel – (PREX starts 11 March 09) April 2010 – Survey, Fiducialization of Calo – fabricate & install Low Voltage, ADC cables – Install DC ADC, HV, Low Voltage supply – Cabling Trigger-ARS – Cabling Patch Panel to DAQ – DAQ – EPICS – LED Matrix May 2010 – Debug DAQ – Cosmic Ray and LED Data – Initial Calibrations – Vacuum Chamber, Beam Pipe (JLab) 25 May 2010 – End of PRex LPC March 2010 – Envois pour JLab PM Translation Cards Blue LED Cards Logic Card Full Trigger Full ARS – Mission M. Brossard for Compton? April 2010 – Missions Christian FAYARD, Magali MAGNE, (Michel BROSSARD?, Eric SAHUC?). May 2010 – Spare Trigger mother-card – Spare VME Control Card

5. Mechanical Assembly June 2010 – August 2010 JLab June 2010 – Makis Petratos experiment? – Install Vacuum Chamber – Transfer to Hall A Disassemble Calorimeter Survey, Alignment, in situ. Installation of ARS, Trigger in HRS Cabling from Patch Panel to HRS – HV, ADC install on floor beyond HRS-right. Recable – J. Roche, mi-juin July 2010 – Cosmic DAQ – LED DAQ – Timing Calo – HRS with 3 rd Cosmic Paddle – Full DAQ : validation forced to true. Random HRS-cosmics Calorimeter-cosmic Aug 2010 – Continue LPC June-July 2010 – Logic Card July 2010 – Mission M. Magne (3 semaines) August 2010

6. Mechanical Assembly September - December 2010 JLab 06- 13 September 2010 – Commissioning with Beam – Compton also? 14 Sep – 23 Nov. – Data Taking 24 – 28 November – Thanksgiving Holiday 29 Nov - 07 Dec. – Data Taking 08 – 22 December – De-install, storage for 12 GeV June 2013 – DVCS with first 11 GeV beam? LPC Septembre 2010 – Missions Magali MAGNE, (Michel BROSSARD?).

7. Technical Support Request to JLab Dec 2009 – Modify bearing/rail design on DVCS stand & cart Jan 2010 – Fabricate DVCS stand & cart – procure 1 “electronics rack” for patch panel – procure electronics rack for trigger/ARS crates – procure storage shelving for 230 crystal assemblies 1.5 kg/assembly, 3x3x40 cm 3 /assembly, 340 kg net – fabricate shims for PbF2 crystals Feb 2010 (net 1-2 man-week of JLab labor required) – Install DVCS stand, cart, patch panel rack in Test Lab. – Install (2) electronics racks – Transfer all cables (not old black box assembly) from Warwick – Ethernet Connection in Test-Lab – Test and repair of signal cables, HV cables (1 week) March 2010 – HV Chassis (220 channels needed for exp) – VME crate and slow VME ADC – Repair of Vacuum chamber and beam line – EPICS programming for HV, slow ADC – Beamtime for commissioning Compton eDet – Install Cables & connectors (1 week) April 2010 – Survey, Fiducialization – CODA support May 2010 June 2010 – Install Vacuum Chamber ( 1 week ) – Install DVCS Stand in Hall (1 week) – Install HV / Slow ADC in Hall – EPICS support – Install cables from Calo to HRS (1 week) – Survey and Alignment of Calo and Stand (1 week) July 2010 – Install ARS/Trigger in HRS-left hut (1 week) – CODA support – PbGlass Calo in HRS-Left – Cosmic Scintillator on Calo & HRS August 2010 – EPICS – CODA

8. Personnel Schedule at JLab Very provisional JanFebMarAprMayJunJulAugSepOctNovDec Hyde1111 10111111100000001111 1110 Munoz00001111 10011111 1110 Camsonne1111 1110 Roche00111111 1100 Mazouz Albataineh1111 1110 Fuchey00111111 11001111 1100 Itard1111 11001111 1100 Asenath00111111 1110 Gasser1111 ?